PC Clock Card

Discussion in 'NZ Computing' started by tommoNoSpam@xtra.co.nz, Oct 2, 2005.

Guest

Hi All,
I am looking for ideas, Ineed a better means of keeping time on an old PC
which logs data to a file. I guess the solution is a Clock Crd but these seem
pretty expensive. It doesn't have to be any more accurate than a cheap watch,
just a bit better than a cheap PC.
Thanks..
Kevin T

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wrote:
> I am looking for ideas, Ineed a better means of keeping time on an old PC
> which logs data to a file. I guess the solution is a Clock Crd but these seem
> pretty expensive. It doesn't have to be any more accurate than a cheap watch,
> just a bit better than a cheap PC.

If it's on a network, or the internet, there are many free programs
available which will synchronize the clock on your computer with another
server. Googling NTP will start you off.

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"Nicholas Sherlock" <> wrote in message
news:dhob9m$nkf$...
> wrote:
>> I am looking for ideas, Ineed a better means of keeping time on an old PC
>> which logs data to a file. I guess the solution is a Clock Crd but these
>> seem
>> pretty expensive. It doesn't have to be any more accurate than a cheap
>> watch,
>> just a bit better than a cheap PC.
>
> If it's on a network, or the internet, there are many free programs
> available which will synchronize the clock on your computer with another
> server. Googling NTP will start you off.
>
> Cheers,
> Nicholas Sherlock
>

Guest

On Sun, 02 Oct 2005 23:02:55 +1300, Nicholas Sherlock <> wrote:
> wrote:
>> I am looking for ideas, Ineed a better means of keeping time on an old PC
>> which logs data to a file. I guess the solution is a Clock Crd but these seem
>> pretty expensive. It doesn't have to be any more accurate than a cheap watch,
>> just a bit better than a cheap PC.
>
>If it's on a network, or the internet, there are many free programs
>available which will synchronize the clock on your computer with another
>server. Googling NTP will start you off.
>Cheers,
>Nicholas Sherlock
Thanks Nicholas, I should have said, it is on a network, and I do run About Time which
acts as a client and server, but I want the whole thing to run unattended for up to a week
without me having to connect to the internet.
Regards, Kevin T

<> wrote in message
news:...
> On Sun, 02 Oct 2005 23:02:55 +1300, Nicholas Sherlock
> <> wrote:
>
>> wrote:
>>> I am looking for ideas, Ineed a better means of keeping time on an old
>>> PC
>>> which logs data to a file. I guess the solution is a Clock Crd but these
>>> seem
>>> pretty expensive. It doesn't have to be any more accurate than a cheap
>>> watch,
>>> just a bit better than a cheap PC.
>>
>>If it's on a network, or the internet, there are many free programs
>>available which will synchronize the clock on your computer with another
>>server. Googling NTP will start you off.
>>Cheers,
>>Nicholas Sherlock
> Thanks Nicholas, I should have said, it is on a network, and I do run
> About Time which
> acts as a client and server, but I want the whole thing to run unattended
> for up to a week
> without me having to connect to the internet.
> Regards, Kevin T
>
>
>

On Sun, 02 Oct 2005 22:55:05 +1300, wrote:
>Hi All,
>I am looking for ideas, Ineed a better means of keeping time on an old PC
>which logs data to a file. I guess the solution is a Clock Crd but these seem
>pretty expensive. It doesn't have to be any more accurate than a cheap watch,
> just a bit better than a cheap PC.
>Thanks..
>Kevin T

On Sun, 02 Oct 2005 23:21:44 +1300, wrote:
>On Sun, 02 Oct 2005 23:02:55 +1300, Nicholas Sherlock <> wrote:
>
>> wrote:
>>> I am looking for ideas, Ineed a better means of keeping time on an old PC
>>> which logs data to a file. I guess the solution is a Clock Crd but these seem
>>> pretty expensive. It doesn't have to be any more accurate than a cheap watch,
>>> just a bit better than a cheap PC.
>>
>>If it's on a network, or the internet, there are many free programs
>>available which will synchronize the clock on your computer with another
>>server. Googling NTP will start you off.
>>Cheers,
>>Nicholas Sherlock
>Thanks Nicholas, I should have said, it is on a network, and I do run About Time which
>acts as a client and server, but I want the whole thing to run unattended for up to a week
>without me having to connect to the internet.
>Regards, Kevin T
>
>

Does this Old PC have a pug in clock IC, if it does it can be replaced with a
Dallas clock chip, has a 10 year battery life and perfect time keeping, I got
mine many years back from AWA at $36.

On Sun, 02 Oct 2005 23:21:44 +1300, wrote:
>On Sun, 02 Oct 2005 23:02:55 +1300, Nicholas Sherlock <> wrote:
>
>> wrote:
>>> I am looking for ideas, Ineed a better means of keeping time on an old PC
>>> which logs data to a file. I guess the solution is a Clock Crd but these seem
>>> pretty expensive. It doesn't have to be any more accurate than a cheap watch,
>>> just a bit better than a cheap PC.
>>
>>If it's on a network, or the internet, there are many free programs
>>available which will synchronize the clock on your computer with another
>>server. Googling NTP will start you off.
>>Cheers,
>>Nicholas Sherlock
>Thanks Nicholas, I should have said, it is on a network, and I do run About Time which
>acts as a client and server, but I want the whole thing to run unattended for up to a week
>without me having to connect to the internet.
>Regards, Kevin T
>
>

Does this Old PC have a pug in clock IC, if it does it can be replaced with a
Dallas clock chip, has a 10 year battery life and perfect time keeping, I got
mine many years back from AWA at $36.

wrote:
> On Sun, 02 Oct 2005 23:02:55 +1300, Nicholas Sherlock <> wrote:
>
> > wrote:
> >> I am looking for ideas, Ineed a better means of keeping time on an old PC
> >> which logs data to a file. I guess the solution is a Clock Crd but these seem
> >> pretty expensive. It doesn't have to be any more accurate than a cheap watch,
> >> just a bit better than a cheap PC.
> >
> >If it's on a network, or the internet, there are many free programs
> >available which will synchronize the clock on your computer with another
> >server. Googling NTP will start you off.
> >Cheers,
> >Nicholas Sherlock
> Thanks Nicholas, I should have said, it is on a network, and I do run About Time which
> acts as a client and server, but I want the whole thing to run unattended for up to a week
> without me having to connect to the internet.
> Regards, Kevin T

If its on a network then you don't need to attend to connect it!
Regardless, you should be able to schedule the PC to automatically
connect to the net, time sync and disconnect on a daily basis, or more
often if required.

wrote:
> On Sun, 02 Oct 2005 23:02:55 +1300, Nicholas Sherlock <> wrote:
>
>
>> wrote:
>>
>>>I am looking for ideas, Ineed a better means of keeping time on an old PC
>>>which logs data to a file. I guess the solution is a Clock Crd but these seem
>>>pretty expensive. It doesn't have to be any more accurate than a cheap watch,
>>> just a bit better than a cheap PC.
>>
>>If it's on a network, or the internet, there are many free programs
>>available which will synchronize the clock on your computer with another
>>server. Googling NTP will start you off.
>>Cheers,
>>Nicholas Sherlock
>
> Thanks Nicholas, I should have said, it is on a network, and I do run About Time which
> acts as a client and server, but I want the whole thing to run unattended for up to a week
> without me having to connect to the internet.

Easy: Synchronize against another computer on the network which keeps
better time.

In article <>, wrote:
>On Sun, 02 Oct 2005 23:02:55 +1300, Nicholas Sherlock <>
>wrote:
>
>> wrote:
>>> I am looking for ideas, Ineed a better means of keeping time on an old PC
>>> which logs data to a file. I guess the solution is a Clock Crd but these
>>> seem pretty expensive. It doesn't have to be any more accurate than a cheap
>>> watch, just a bit better than a cheap PC.
>>
>>If it's on a network, or the internet, there are many free programs
>>available which will synchronize the clock on your computer with another
>>server. Googling NTP will start you off.
>
>Thanks Nicholas, I should have said, it is on a network, and I do run About
>Time which acts as a client and server, but I want the whole thing to run unattended
>for up to a week without me having to connect to the internet.

xntpd maintains a drift file which tries to determine to a first
approximation the discrepancy between what you clock thinks is the
length of a second and its actual length. After it has been running for
a few days with Internet access, it should have a good enough idea of
the drift that you should be able to achieve better accuracy with xntpd
running, even without Internet access for days on end, than you would
achieve without xntpd.

Guest

Thanks guys, lots of ideas to chase up.
I didn't know a replacement clock chip was an option, it would be the best of all.
The USB GPS idea sounds like the ultimate, but until the rest of my system is proven
I might try following the links about ntpd software which uses a drift file.
Thanks, Kevin T

wrote:
> Thanks Nicholas, I should have said, it is on a network, and I do run About Time which
> acts as a client and server, but I want the whole thing to run unattended for up to a week
> without me having to connect to the internet.
> Regards, Kevin T

On Mon, 03 Oct 2005 23:41:46 +1300, Richard <> wrote:
> wrote:
>
>> Thanks Nicholas, I should have said, it is on a network, and I do run About Time which
>> acts as a client and server, but I want the whole thing to run unattended for up to a week
>> without me having to connect to the internet.
>> Regards, Kevin T
>
>GPS reciever then.

XP wrote:
> On Mon, 03 Oct 2005 23:41:46 +1300, Richard <> wrote:
>
> > wrote:
> >
> >> Thanks Nicholas, I should have said, it is on a network, and I do run About Time which
> >> acts as a client and server, but I want the whole thing to run unattended for up to a week
> >> without me having to connect to the internet.
> >> Regards, Kevin T
> >
> >GPS reciever then.
>
>
>
> Way Way ever kill when a Dallas clock chip at $36 will do the job.

On Tue, 04 Oct 2005 20:45:58 +1300, Richard <> wrote:
>XP wrote:
>
>> Way Way ever kill when a Dallas clock chip at $36 will do the job.
>
>
>Assuming its a desktop PC
>
>Assuming the motherboard is so old it has one.

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